Dylan Thomas Trotter, 20, of Hillsboro, is wanted on accusations of robbery, burglary, felony assault and unlawful use of a weapon in connection with the incident, said Sgt. Bob Ray, a sheriff's office spokesman. Investigators believe Trotter may be staying in the Eugene area.

As of this fall, Trotter was enrolled as an undergraduate student at the University of Oregon, said Phil Weiler, a university spokesman. His major was listed as undeclared, Weiler said.

Xavier MitchellWCSO

Washington County deputies on Sunday arrested three other men, who are also suspected in robbing the Rock Creek apartment and beating the renter unconscious.

The 20-year-old victim, who was home alone, told deputies he was beaten unconscious and then woke up to find the men stealing property from his residence. Among the items stolen were marijuana and electronics.

The victim told deputies he knew three of the four intruders. Within seven hours, deputies tracked down and arrested Xavier Mitchell and Kei-Jian Buckley, both 18 and from Hillsboro, along with Stanley Armitage, 18, from Beaverton, authorities said.

Mitchell, according to the Washington County Sheriff's Office, is a student at Century High School. He was named a first team all-Pacific Conference wide receiver for Century.

Stanley ArmitageWCSO

All three were booked at the Washington County Jail on accusations of robbery, burglary, felony assault, and unlawful use of a weapon. Each are held on a $250,000 bail.

Anyone with information on the case is asked to call the Washington County Sheriff's Office at 503-846-2500. Deborah Bloom of The Oregonian staff contributed to this report.